clk: ti: dpll3xxx: Fix some kernel-doc headers and promote other worthy ones

Fixes the following W=1 kernel build warning(s):

 drivers/clk/ti/dpll3xxx.c:414: warning: Function parameter or member 'hw' not described in 'omap3_dpll_recalc'
 drivers/clk/ti/dpll3xxx.c:414: warning: Function parameter or member 'parent_rate' not described in 'omap3_dpll_recalc'
 drivers/clk/ti/dpll3xxx.c:414: warning: Excess function parameter 'clk' description in 'omap3_dpll_recalc'
 drivers/clk/ti/dpll3xxx.c:437: warning: Function parameter or member 'hw' not described in 'omap3_noncore_dpll_enable'
 drivers/clk/ti/dpll3xxx.c:437: warning: Excess function parameter 'clk' description in 'omap3_noncore_dpll_enable'
 drivers/clk/ti/dpll3xxx.c:479: warning: Function parameter or member 'hw' not described in 'omap3_noncore_dpll_disable'
 drivers/clk/ti/dpll3xxx.c:479: warning: Excess function parameter 'clk' description in 'omap3_noncore_dpll_disable'
 drivers/clk/ti/dpll3xxx.c:755: warning: Function parameter or member 'hw' not described in 'omap3_clkoutx2_recalc'
 drivers/clk/ti/dpll3xxx.c:755: warning: Function parameter or member 'parent_rate' not described in 'omap3_clkoutx2_recalc'
 drivers/clk/ti/dpll3xxx.c:755: warning: Excess function parameter 'clk' description in 'omap3_clkoutx2_recalc'

Cc: Tero Kristo <kristo@kernel.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-omap@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210126124540.3320214-4-lee.jones@linaro.orgReviewed-by: Tero Kristo <kristo@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

drivers/clk/ti/dpll3xxx.c

@@ -125,7 +125,7 @@ static u16 _omap3_dpll_compute_freqsel(struct clk_hw_omap *clk, u8 n)
 	return f;
 }
 
-/*
+/**
  * _omap3_noncore_dpll_lock - instruct a DPLL to lock and wait for readiness
  * @clk: pointer to a DPLL struct clk
  *
@@ -168,7 +168,7 @@ static int _omap3_noncore_dpll_lock(struct clk_hw_omap *clk)
 	return r;
 }
 
-/*
+/**
  * _omap3_noncore_dpll_bypass - instruct a DPLL to bypass and wait for readiness
  * @clk: pointer to a DPLL struct clk
  *
@@ -204,7 +204,7 @@ static int _omap3_noncore_dpll_bypass(struct clk_hw_omap *clk)
 	return r;
 }
 
-/*
+/**
  * _omap3_noncore_dpll_stop - instruct a DPLL to stop
  * @clk: pointer to a DPLL struct clk
  *
@@ -291,7 +291,7 @@ static void _lookup_sddiv(struct clk_hw_omap *clk, u8 *sd_div, u16 m, u8 n)
 	*sd_div = sd;
 }
 
-/*
+/**
  * _omap3_noncore_dpll_program - set non-core DPLL M,N values directly
  * @clk:	struct clk * of DPLL to set
  * @freqsel:	FREQSEL value to set
@@ -406,7 +406,8 @@ static int omap3_noncore_dpll_program(struct clk_hw_omap *clk, u16 freqsel)
 
 /**
  * omap3_dpll_recalc - recalculate DPLL rate
- * @clk: DPLL struct clk
+ * @hw: struct clk_hw containing the DPLL struct clk
+ * @parent_rate: clock rate of the DPLL parent
  *
  * Recalculate and propagate the DPLL rate.
  */
@@ -421,7 +422,7 @@ unsigned long omap3_dpll_recalc(struct clk_hw *hw, unsigned long parent_rate)
 
 /**
  * omap3_noncore_dpll_enable - instruct a DPLL to enter bypass or lock mode
- * @clk: pointer to a DPLL struct clk
+ * @hw: struct clk_hw containing then pointer to a DPLL struct clk
  *
  * Instructs a non-CORE DPLL to enable, e.g., to enter bypass or lock.
  * The choice of modes depends on the DPLL's programmed rate: if it is
@@ -470,7 +471,7 @@ int omap3_noncore_dpll_enable(struct clk_hw *hw)
 
 /**
  * omap3_noncore_dpll_disable - instruct a DPLL to enter low-power stop
- * @clk: pointer to a DPLL struct clk
+ * @hw: struct clk_hw containing then pointer to a DPLL struct clk
  *
  * Instructs a non-CORE DPLL to enter low-power stop.  This function is
  * intended for use in struct clkops.  No return value.
@@ -745,7 +746,8 @@ static struct clk_hw_omap *omap3_find_clkoutx2_dpll(struct clk_hw *hw)
 
 /**
  * omap3_clkoutx2_recalc - recalculate DPLL X2 output virtual clock rate
- * @clk: DPLL output struct clk
+ * @hw: pointer  struct clk_hw
+ * @parent_rate: clock rate of the DPLL parent
  *
  * Using parent clock DPLL data, look up DPLL state.  If locked, set our
  * rate to the dpll_clk * 2; otherwise, just use dpll_clk.
@@ -913,7 +915,7 @@ const struct clk_hw_omap_ops clkhwops_omap3_dpll = {
  * omap3_dpll4_set_rate - set rate for omap3 per-dpll
  * @hw: clock to change
  * @rate: target rate for clock
- * @parent_rate: rate of the parent clock
+ * @parent_rate: clock rate of the DPLL parent
  *
  * Check if the current SoC supports the per-dpll reprogram operation
  * or not, and then do the rate change if supported. Returns -EINVAL